6f54d34f88f2f8e67d06aeef4bfd2edd74b247bea03a3e7e3301cbc6db7fd5c4

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 12:28

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General

Target

eec618cae6be75a4b12df4a8ba129170N.exe
Size

1.1MB
MD5

eec618cae6be75a4b12df4a8ba129170
SHA1

966b28734978e6d2734740d57d1da3b026fdae6a
SHA256

6f54d34f88f2f8e67d06aeef4bfd2edd74b247bea03a3e7e3301cbc6db7fd5c4
SHA512

1647031a4618c6d1de0c6609e90b5ac91f53961ecad2a873f49c5f9d35058e20d7745a2350088fe00ad51198ecd09795e54b1a712f85548ef665cb10a1572e55
SSDEEP

6144:KbEv73qKc+y+2VU8uwB3xwq23tpNwaXcSl+wb9LlkfnmemoT2oCCP67tFym+I56T:tehAdUCQULlzRc2HK5I5681sue

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (1758) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1520-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023462-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/1520-388-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Overlapped.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Input.Manipulations.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationProvider.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-convert-l1-1-0.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pl-pl.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Ping.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClient.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XmlDocument.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Primitives.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\msquic.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\ReachFramework.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Input.Manipulations.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TabTip.exe.mui.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-environment-l1-1-0.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Process.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationProvider.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Extensions.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.Common.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsBase.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationProvider.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	eec618cae6be75a4b12df4a8ba129170N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eec618cae6be75a4b12df4a8ba129170N.exe

C:\Users\Admin\AppData\Local\Temp\eec618cae6be75a4b12df4a8ba129170N.exe
"C:\Users\Admin\AppData\Local\Temp\eec618cae6be75a4b12df4a8ba129170N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
1.1MB

MD5
1c3ef479e3764e56f3660ec089583904

SHA1
741d18e86786d4f5bff3019e91f8f809f77d1a85

SHA256
f3c55138a08a1d986510b3725ef2af36ff1aafdc0cc6cb4058457a64c53b017f

SHA512
9a2c372ffde5c795b1bdccaa2adbe078013c12a457607bfabbf98a28df0722259e605edb476d09a1c77f2057c514cc02ba9f3d33ff3c6ee685d7f7dd633bef69

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
1.2MB

MD5
c165693faff1f2919bc41ffe76fae3fc

SHA1
566282d465fad79da3449131a5e8109be9d866fc

SHA256
206f0d725216d23869d0698b2aa5643731eceecb8f9bb0bbdfb077b189c0c548

SHA512
0f55eab9e25726c1b7347f420110fdc8ccae9992c1519c95de4c19a2b70168c5dafc0bd1b0c5464fcb2558ad7ce3fb29393768cc36017fce022ac96d95c179d3

Download Submit
memory/1520-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1520-388-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download